<template>
  <div>
    <el-upload
      class="avatar-uploader"
      action=""
      :show-file-list="false"
      :before-upload="beforeAvatarUpload"
      :http-request="uploadImage"
    >
      <!-- (自动上传)action是上传地址 人资项目不需要 人资项目(手动上传)  -->
      <!-- show-file-list不展示列表 -->
      <img v-if="value" :src="value" class="avatar">
      <i v-else class="el-icon-plus avatar-uploader-icon" />
    </el-upload>
    <el-progress :percentage="percentage" />
  </div>
</template>

<script>
import COS from 'cos-js-sdk-v5'
export default {
  props: {
    value: {
      type: String,
      default: ''
    }
  },
  data() {
    return {
      percentage: 0
    }
  },
  methods: {
    // 1. 文件上传之前触发
    // 格式和大小校验
    beforeAvatarUpload(file) {
      // console.log(file)
      // 1.1 验证文件的格式
      const isPic = ['image/jpeg', 'image/png', 'image/gif', 'image/bmp', 'image/webp'].includes(file.type)
      // 1.2 验证文件的大小
      const is2M = file.size / 1024 / 1024 <= 2
      // 1.3 判断
      if (!isPic) {
        this.$message.error('上传头像图片只能是 JPG PNG GIF BMP 格式!')
      }
      if (!is2M) {
        this.$message.error('上传头像图片大小不能超过 2MB!')
      }
      return isPic && is2M
    },
    // 2. 上传图片
    uploadImage(params) {
      console.log(params)
      // 2.1 创建实例对象
      const cos = new COS({
        SecretId: 'AKIDiPuBD0Zv2va0FF0XpsgJhqkbDakgPt9B',
        SecretKey: 'pQmtmRr42lGWYMxJRL5arthHdkcGiwvf'
      })
      // 2.2 调用上传方法
      cos.putObject({
        Bucket: 'heima-hrsass-2025-01-1312445828', // 存储桶名称
        Region: 'ap-beijing', // 地域名称
        Key: params.file.name, // 文件名称
        StorageClass: 'STANDARD', // 固定值
        Body: params.file, // 文件对象
        onProgress: (progressData) => {
          console.log(JSON.stringify(progressData))
          this.percentage = Math.floor(progressData.percent * 100)
        }
      }, (err, data) => {
        if (data.statusCode === 200 && data.Location) {
          this.$emit('input', 'http://' + data.Location)
        } else {
          this.$message.error(err.Message) // 上传失败提示消息
        }
      })
    }
  }
}
</script>

<style lang="scss">
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.avatar-uploader .el-upload:hover {
  border-color: #409EFF;
}

.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}

.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>
